Temperature tercile tables for several locations in the West and South of the South Island. Data are based on the 30-year period 1971-2000. The ranges for each tercile are: below normal = second lowest to 33rd percentile; near normal = 34th to 66th percentile; above normal = 67th percentile to second highest.
Historical average temperature (deg C) range for forecast area WSSI for the 3-month period May-Jun-Jul
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| GREYMOUTH AERO | 27 | 8.2 - 8.8 | 8.9 - 9.5 | 9.6 - 10.0 |
| HOKITIKA AERO | 30 | 7.5 - 8.1 | 8.2 - 8.7 | 8.8 - 9.5 |
| ARTHURS PASS EWS | 23 | 2.5 - 3.7 | 3.8 - 4.9 | 5.0 - 5.7 |
| CRAIGIEBURN FOREST | 27 | 2.7 - 3.2 | 3.3 - 4.1 | 4.2 - 5.2 |
| MT COOK EWS | 29 | 2.7 - 3.3 | 3.4 - 4.2 | 4.3 - 5.4 |
| TARA HILLS AWS | 29 | 2.3 - 3.2 | 3.3 - 3.6 | 3.7 - 5.0 |
| MILFORD SOUND | 28 | 5.2 - 6.1 | 6.2 - 6.6 | 6.7 - 7.6 |
| WANAKA AERO AWS | 29 | 4.0 - 4.6 | 4.7 - 5.0 | 5.1 - 6.0 |
| QUEENSTOWN AERO AWS | 30 | 3.8 - 4.6 | 4.7 - 5.1 | 5.2 - 6.1 |
| CROMWELL EWS | 27 | 3.9 - 4.2 | 4.3 - 4.6 | 4.7 - 5.7 |
| QUEENSTOWN | 30 | 4.4 - 5.1 | 5.2 - 5.6 | 5.7 - 6.6 |
| CLYDE DAM | 23 | 3.7 - 4.4 | 4.5 - 5.0 | 5.1 - 5.7 |
| ETTRICK NO.2 | 26 | 4.7 - 5.6 | 5.7 - 5.9 | 6.0 - 6.5 |
| GORE AWS | 29 | 4.7 - 5.2 | 5.3 - 5.6 | 5.7 - 6.5 |
| WINTON | 30 | 5.2 - 6.0 | 6.1 - 6.3 | 6.4 - 7.3 |
| INVERCARGILL AERO | 30 | 5.1 - 5.9 | 6.0 - 6.4 | 6.5 - 7.3 |
| TIWAI POINT EWS | 27 | 6.4 - 7.1 | 7.2 - 7.4 | 7.5 - 8.1 |